Data processing: generic control systems or specific application – Specific application – apparatus or process – Article handling
Reexamination Certificate
2006-03-14
2010-11-09
Crawford, Gene (Department: 3651)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Article handling
C700S218000, C212S272000
Reexamination Certificate
active
07831333
ABSTRACT:
The invention relates to a method for the transfer of a load hanging at a load rope of a crane or excavator comprising a slewing gear, a luffing mechanism and a hoisting gear comprising a computer-controlled regulator for the damping of the load oscillation which has a trajectory planner, a disturbance observer and a state regulator with a pre-control, wherein the working space is first fixed by selection of two points, with one of the two points being fixed as the destination point by direction presetting by means of the hand lever and with the nominal speeds for the slewing gear and the luffing mechanism being preset by the hand lever signals.
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Hildebrandt Alexander
Neupert Joerg
Sawodny Oliver
Schneider Klaus
Alleman Hall McCoy Russell & Tuttle LLP
Crawford Gene
Liebherr-Werk Nenzing GmbH
Prakasam Ramya
LandOfFree
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